Don’t have an air conditioner?Maybe you don’t have a window, can’t afford one, or can’t afford the monstrous bills that come along with owning one. This makeshift “air conditioner” only costs $15 and consists of a desk fan, a styrofoam cooler, lots of ice, a beer can, and duct tape.

A less fussy method:Place a frozen bottle of water (4/5 full) in front of a fan. Keep frozen bottles of water in the freezer and swap them out as they melt. You’ll want to sit directly in front of the fan, as it only works at close-range.

Make a soda slurpee with self-freezing soda.Shake up the soda while it’s still sealed and set it in the freezer for 3 hours and 15 minutes. Loosen the cap to let some of the pressure escape and turn it upside down. IT BECOMES A SLUSHY. But you really should watch the tutorial if you don’t want a soda explosion in your freezer.

When shopping for a bathing suit, make sure that the fabric is tight in the butt area.The fabric will stretch a half size bigger once you get in the water, resulting in that common but dreaded Saggy Butt Syndrome.

If you’ve got a horribly embarrassing sunburn, fill an ice cube tray with vinegar and rub the ice cubes onto the affected areas.This is already a popular lifehack using aloe vera, but vinegar is much more effective in reducing the redness associated with sunburns.